quirite: A game by a great positional player.
-In a closed position, Tal takes space at the queen-side -Then, He can open the a file and immediately invades it -So he concentrates all his pieces and after many maneuvers, sacrify a pawn to release power from the queenside to extend towards ...

quirite: every tal game in 1957 deserve comments. Indeed, they all are wonderful. Here, he plays saemish closed variation as usual against king's indian, to attack in reversed castling. The mastery of d and f files gives him the victory.
20.g5! is the outcome of his strategy.

quirite: In closed positions, Tal was even stronger than open positions.
He was a strategic player than a tactical player.
Here, the position is static.
It is in these circumstances that Tal produces his best moves.